Results 21 to 30 of about 38,452 (120)

An adaptive soft sensor deterioration evaluation and model updating method for time-varying chemical processes [PDF]

open access: yesChemical Industry and Chemical Engineering Quarterly, 2020
Due to the time-varying nature of chemical processes, soft sensor models deteriorate, and data prediction accuracy decreases. To address this problem, an adaptive soft sensor modeling method is proposed that not only evaluates the model deterioration by ...
Li Longhao, Dai Yongshou
doaj   +1 more source

Investigating the mechanical properties of activated alkali high permeability concrete according to the ratio of alkaline activators [PDF]

open access: yesمدل‌سازی پیشرفته در مهندسی عمران
This research investigates the mechanical properties of alkali-activated porous concrete compared to cement-based porous concrete. In this regard, the slag of blast furnaces has been used as the base material for cement, and sodium hydroxide and sodium ...
Amir Zohrabi   +2 more
doaj   +1 more source

Performance enhancement of radial distribution system using simultaneous network reconfiguration and switched capacitor bank placement

open access: yesCogent Engineering, 2021
This paper presents simultaneous radial distribution network reconfiguration and switched capacitor bank allocation to enhance the performance of distribution systems.
Yalew Gebru   +3 more
doaj   +1 more source

PSO based Hyperparameter tuning of CNN Multivariate Time- Series Analysis

open access: yesJOIN: Jurnal Online Informatika, 2022
Convolutional Neural Network (CNN) is an effective Deep Learning (DL) algorithm that solves various image identification problems. The use of CNN for time-series data analysis is emerging.
Agung Bella Putra Utama   +3 more
doaj   +1 more source

Research on intelligent fault identification method of coalfield based on the PSO-XGBoost algorithm

open access: yes矿业科学学报
In order to further improve the accuracy and efficiency of underground fault identification, an intelligent fault recognition model based on the extreme gradient boosting tree (XGBoost) machine learning algorithm was constructed for coal seam faults ...
LIN Peng   +4 more
doaj   +1 more source

Optimizing PSO for classification: comparison of Naïve Bayes and C4.5 for osteoporosis prediction

open access: yesJurnal Ilmiah SINERGI
Osteoporosis is a medical disease marked by a reduction in bone density, which significantly increases the risk of fractures. Osteoporosis patients do not always exhibit symptoms and because current diagnostic techniques have limitations, early detection
Zulfi Anugerahwati, Sri Lestari
doaj   +1 more source

Multi-objective optimization of process parameters for ultrasonic rolling extrusion of 42CrMo material

open access: yesMechanics & Industry, 2023
To choose the most suitable method to solve the process parameter optimization of ultrasonic rolling extrusion, the 42CrMo material was taken as the research object. Based on a four-factor five-level orthogonal experiment, the response surface method was
Wang Xiaoqiang   +3 more
doaj   +1 more source

Assessing the influence of urban expansion on land surface temperature in the Gazipur industrial zone of Bangladesh

open access: yesDiscover Cities
The changes in the Land Use Land Cover (LULC), particularly the industrialization and urbanization, significantly impact the Land Surface Temperature (LST).
Koushik Ghosh Tripta   +2 more
doaj   +1 more source

Integrating hedge algebras and optimization techniques to reduce forecasting errors in fuzzy time series model

open access: yesIJAIN (International Journal of Advances in Intelligent Informatics)
Accurate forecasting in fuzzy time series (FTS) models is essential for applica-tions such as financial markets, traffic fatalities, and academic enrollments.
Nghiêm Văn Tính
doaj   +1 more source

Prediction Method for Carbon Storage in Substation Based on Uncertain Parameters

open access: yesZhongguo dianli
The SF6 gas volume data from the PMS system is incomplete and contains significant errors, rendering it inadequate for power grid enterprises to calculate carbon reserves and formulate carbon planning for future substations. To address this problem, this
Siyang CHEN   +7 more
doaj   +1 more source

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